65842001 has 4 divisors (see below), whose sum is σ = 66494004. Its totient is φ = 65190000.

The previous prime is 65841967. The next prime is 65842009. The reversal of 65842001 is 10024856.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51854401 + 13987600 = 7201^2 + 3740^2 .

It is a cyclic number.

It is not a de Polignac number, because 65842001 - 2¹⁰ = 65840977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65842009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325850 + ... + 326051.

It is an arithmetic number, because the mean of its divisors is an integer number (16623501).

Almost surely, 2^65842001 is an apocalyptic number.

It is an amenable number.

65842001 is a deficient number, since it is larger than the sum of its proper divisors (652003).

65842001 is a wasteful number, since it uses less digits than its factorization.

65842001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652002.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 65842001 is about 8114.3084116886. The cubic root of 65842001 is about 403.8012636394.

Adding to 65842001 its reverse (10024856), we get a palindrome (75866857).

The spelling of 65842001 in words is "sixty-five million, eight hundred forty-two thousand, one".